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Description of problem: It is not possible to add, modify or delete new item in Google calendar. Version-Release number of selected component (if applicable): Thunderbird 9.0 + Lightning 1.1-0.1.rc1.fc16 How reproducible: Every Steps to Reproduce: 1.Add New Network Calendar,iCalendar(location).... 2.Add new Google calendar item. 3.Modification failed Actual results: Modification failed Expected results: Is it possible to add,modify or delete Google calendar item through Thunderbird. Additional info: Error code: MODIFICATION_FAILED
Instead of using iCal (ICS) try using "Google Calendar" and the XML url for your google calendar.
Yes, It is working now. Main "problem" option Google calendar is available only with plugin "Provider for Google calendar". Excuse me my mistake. :-)
Well, the plugin "Provider for Google calendar" comes with Lightning, so it's not that big of a deal. It should still work with ICS, but at least there is a workaround. I'm going to close here though, hopefully upstream will fix at some point.